To get a FREE ThickBurger at Carl’s Jr. and Hardee’s download the Superstar Rewards app. Every time you use it to check in at a Carl’s Jr. or Hardee’s location you’ll earn 100 points. You don’t have to make a purchase to check in, your phone just has to see that you’re at a Carl’s Jr or Hardee’s location based on the GPS location.
You can get a FREE six dollar burger with every 1,000 points that you earn, and the app allows you to check in twice daily (every 12 hours)
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